A taxonomic study on the grasses of Pennsylvania
By: Richard Walter Pohl
Published: 1947
Place of publication: Philadelphia
Language: eng
Number of pages: 604
Subjects: Grasses
Notes: Reprint from The American Midland Naturalist. v. 38, no. 3, p. 513-604, November 1947.

Thesis (PH.D)--University of Pennsylvania.

Includes bibliographical references (p. 600).